can.h

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#ifndef CAN_H_INCLUDED
#define CAN_H_INCLUDED

#include "../chip.h"

#ifdef __cplusplus
extern "C" {
#endif

#define GLOBAL_MAILBOX_MASK           0x000000ff

#define CAN_DISABLE_ALL_INTERRUPT_MASK 0xffffffff

#define CAN_BPS_1000K                 1000
#define CAN_BPS_800K                  800
#define CAN_BPS_500K                  500
#define CAN_BPS_250K                  250
#define CAN_BPS_125K                  125
#define CAN_BPS_50K                   50
#define CAN_BPS_25K                   25
#define CAN_BPS_10K                   10
#define CAN_BPS_5K                    5

#define CAN_MB_DISABLE_MODE           0
#define CAN_MB_RX_MODE                1
#define CAN_MB_RX_OVER_WR_MODE        2
#define CAN_MB_TX_MODE                3
#define CAN_MB_CONSUMER_MODE          4
#define CAN_MB_PRODUCER_MODE          5

#define CAN_MAILBOX_TRANSFER_OK       0     
#define CAN_MAILBOX_NOT_READY         0x01  
#define CAN_MAILBOX_RX_OVER           0x02  
#define CAN_MAILBOX_RX_NEED_RD_AGAIN  0x04  


typedef struct {
    uint32_t ul_mb_idx;
    uint8_t uc_obj_type;  
    uint8_t uc_id_ver;    
    uint8_t uc_length;    
    uint8_t uc_tx_prio;   
    uint32_t ul_status;   
    uint32_t ul_id_msk;   
    uint32_t ul_id;       
    uint32_t ul_fid;      
    uint32_t ul_datal;
    uint32_t ul_datah;
} can_mb_conf_t;

uint32_t can_init(Can *p_can, uint32_t ul_mck, uint32_t ul_baudrate);

void can_enable(Can *p_can);
void can_disable(Can *p_can);

void can_disable_low_power_mode(Can *p_can);
void can_enable_low_power_mode(Can *p_can);

void can_disable_autobaud_listen_mode(Can *p_can);
void can_enable_autobaud_listen_mode(Can *p_can);

void can_disable_overload_frame(Can *p_can);
void can_enable_overload_frame(Can *p_can);

void can_set_timestamp_capture_point(Can *p_can, uint32_t ul_flag);

void can_disable_time_triggered_mode(Can *p_can);
void can_enable_time_triggered_mode(Can *p_can);

void can_disable_timer_freeze(Can *p_can);
void can_enable_timer_freeze(Can *p_can);

void can_disable_tx_repeat(Can *p_can);
void can_enable_tx_repeat(Can *p_can);

void can_set_rx_sync_stage(Can *p_can, uint32_t ul_stage);

void can_enable_interrupt(Can *p_can, uint32_t dw_mask);
void can_disable_interrupt(Can *p_can, uint32_t dw_mask);

uint32_t can_get_interrupt_mask(Can *p_can);

uint32_t can_get_status(Can *p_can);

uint32_t can_get_internal_timer_value(Can *p_can);

uint32_t can_get_timestamp_value(Can *p_can);

uint8_t can_get_tx_error_cnt(Can *p_can);
uint8_t can_get_rx_error_cnt(Can *p_can);

void can_reset_internal_timer(Can *p_can);

void can_global_send_transfer_cmd(Can *p_can, uint8_t uc_mask);
void can_global_send_abort_cmd(Can *p_can, uint8_t uc_mask);

/*
 * Mailbox functions
 */
void can_mailbox_set_timemark(Can *p_can, uint8_t uc_index, uint16_t us_cnt);
uint32_t can_mailbox_get_status(Can *p_can, uint8_t uc_index);
void can_mailbox_send_transfer_cmd(Can *p_can, uint8_t uc_index);
void can_mailbox_send_abort_cmd(Can *p_can, uint8_t uc_index);
void can_mailbox_init(Can *p_can, can_mb_conf_t *p_mailbox);
uint32_t can_mailbox_read(Can *p_can, can_mb_conf_t *p_mailbox);
uint32_t can_mailbox_write(Can *p_can, can_mb_conf_t *p_mailbox);
uint32_t can_mailbox_tx_remote_frame(Can *p_can, can_mb_conf_t *p_mailbox);
void can_reset_all_mailbox(Can *p_can);

// from wilfredo
uint32_t can_reset_mailbox_data(can_mb_conf_t *p_mailbox);

#ifdef __cplusplus
}
#endif

#endif /* CAN_H_INCLUDED */